Image for a portion of a display screen



The FIGURE is a front view of a portion of a display screen showing our new design.

The broken line showing of the rectangles and portions of rectangles and the areas within form no part of the claimed design. The broken line forming the right border is an unclaimed boundary of the design. The broken line showing of the display screen is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a image for a portion of a display screen, as shown and described. 